[jira] [Updated] (AMBARI-21070) Race condition: webhdfs call mkdir /tmp/druid-indexing before /tmp making tmp not writable.

2017-06-06 Thread Andrew Onischuk (JIRA) 

 [ 
https://issues.apache.org/jira/browse/AMBARI-21070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andrew Onischuk updated AMBARI-21070:
-
Resolution: Fixed
Status: Resolved  (was: Patch Available)

Committed to trunk and branch-2.5

> Race condition: webhdfs call  mkdir /tmp/druid-indexing before  /tmp  making 
> tmp not writable.
> --
>
> Key: AMBARI-21070
> URL: https://issues.apache.org/jira/browse/AMBARI-21070
> Project: Ambari
>  Issue Type: Bug
>Reporter: Andrew Onischuk
>Assignee: Andrew Onischuk
> Fix For: 2.5.2
>
> Attachments: AMBARI-21070.patch
>
>
> Race condition: webhdfs call mkdir /tmp/druid-indexing before /tmp making tmp
> not writable.
> @HDP install through ambari , just at the step start components on host< > we
> have some webhdfs operations in background which is creating HDFS directory
> structures required for specific components like (/tmp, /tmp/hive /user/druid
> /tmp/druid-indexing ...)
> generally the expected order is getfileInfo : /tmp --> mkdir: /tmp
> changePermission: /tmp to 777 (hdfs:hdfs) so that /tmp is accessible to all ,
> hence hivemetastore able to create /tmp/hive(hive scratch directory)
> But here in this case specific to druid install , most of the times mkdir of
> /tmp/druid-indexing called before(actual /tmp creation) and thus /tmp is
> having just default directory permission(755).
> ->So next call of getfileInfo : /tmp says already exist it will not further 
> create and change permission
> This made /tmp not accessible to write, So HiveServer process gets shutdown as
> it unable to create/access /tmp/hive.
> hdfs-audit log:
> 
> 
> 
> 2017-05-12 06:39:51,067 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=getfileinfo src=/tmp/druid-indexing 
> dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,120 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=contentSummary  
> src=/user/druid dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,133 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   
> src=/ats/active dst=nullperm=hdfs:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,155 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=mkdirs  src=/tmp/druid-indexing 
> dst=nullperm=hdfs:hdfs:rwxr-xr-xproto=webhdfs
> 2017-05-12 06:39:51,206 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=listStatus  src=/user/druid 
> dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,235 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   src=/ats/  
>  dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,249 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=setPermission   
> src=/tmp/druid-indexing dst=nullperm=hdfs:hdfs:rwxr-xr-x
> proto=webhdfs
> 2017-05-12 06:39:51,290 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=listStatus  src=/user/druid/data   
>  dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,339 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   
> src=/ats/active/dst=nullperm=hdfs:hadoop:rwxr-xr-x  
> proto=webhdfs
> 2017-05-12 06:39:51,341 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=setOwnersrc=/tmp/druid-indexing 
> dst=nullperm=druid:hdfs:rwxr-xr-x   proto=webhdfs
> 2017-05-12 06:39:51,380 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=setOwnersrc=/user/druid/data   
>  dst=nullperm=druid:hdfs:rwxr-xr-x   proto=webhdfs
> 2017-05-12 06:39:51,431 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setOwnersrc=/ats/active 
> dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,526 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setOwnersrc=/ats/   
> dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,580 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.32.12cmd=getfileinfo 
> src=/apps/hbase/staging dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,620 INFO FSNamesystem.audit:

[jira] [Updated] (AMBARI-21070) Race condition: webhdfs call mkdir /tmp/druid-indexing before /tmp making tmp not writable.

2017-05-26 Thread Aravindan Vijayan (JIRA) 

 [ 
https://issues.apache.org/jira/browse/AMBARI-21070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Aravindan Vijayan updated AMBARI-21070:
---
Fix Version/s: (was: 2.5.1)
   2.5.2

Moving out of 2.5.1 since release is done. 

> Race condition: webhdfs call  mkdir /tmp/druid-indexing before  /tmp  making 
> tmp not writable.
> --
>
> Key: AMBARI-21070
> URL: https://issues.apache.org/jira/browse/AMBARI-21070
> Project: Ambari
>  Issue Type: Bug
>Reporter: Andrew Onischuk
>Assignee: Andrew Onischuk
> Fix For: 2.5.2
>
> Attachments: AMBARI-21070.patch
>
>
> Race condition: webhdfs call mkdir /tmp/druid-indexing before /tmp making tmp
> not writable.
> @HDP install through ambari , just at the step start components on host< > we
> have some webhdfs operations in background which is creating HDFS directory
> structures required for specific components like (/tmp, /tmp/hive /user/druid
> /tmp/druid-indexing ...)
> generally the expected order is getfileInfo : /tmp --> mkdir: /tmp
> changePermission: /tmp to 777 (hdfs:hdfs) so that /tmp is accessible to all ,
> hence hivemetastore able to create /tmp/hive(hive scratch directory)
> But here in this case specific to druid install , most of the times mkdir of
> /tmp/druid-indexing called before(actual /tmp creation) and thus /tmp is
> having just default directory permission(755).
> ->So next call of getfileInfo : /tmp says already exist it will not further 
> create and change permission
> This made /tmp not accessible to write, So HiveServer process gets shutdown as
> it unable to create/access /tmp/hive.
> hdfs-audit log:
> 
> 
> 
> 2017-05-12 06:39:51,067 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=getfileinfo src=/tmp/druid-indexing 
> dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,120 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=contentSummary  
> src=/user/druid dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,133 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   
> src=/ats/active dst=nullperm=hdfs:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,155 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=mkdirs  src=/tmp/druid-indexing 
> dst=nullperm=hdfs:hdfs:rwxr-xr-xproto=webhdfs
> 2017-05-12 06:39:51,206 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=listStatus  src=/user/druid 
> dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,235 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   src=/ats/  
>  dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,249 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=setPermission   
> src=/tmp/druid-indexing dst=nullperm=hdfs:hdfs:rwxr-xr-x
> proto=webhdfs
> 2017-05-12 06:39:51,290 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=listStatus  src=/user/druid/data   
>  dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,339 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   
> src=/ats/active/dst=nullperm=hdfs:hadoop:rwxr-xr-x  
> proto=webhdfs
> 2017-05-12 06:39:51,341 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=setOwnersrc=/tmp/druid-indexing 
> dst=nullperm=druid:hdfs:rwxr-xr-x   proto=webhdfs
> 2017-05-12 06:39:51,380 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=setOwnersrc=/user/druid/data   
>  dst=nullperm=druid:hdfs:rwxr-xr-x   proto=webhdfs
> 2017-05-12 06:39:51,431 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setOwnersrc=/ats/active 
> dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,526 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setOwnersrc=/ats/   
> dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,580 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.32.12cmd=getfileinfo 
> src=/apps/hbase/staging dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,620 INFO FSNamesystem.audit:

[jira] [Updated] (AMBARI-21070) Race condition: webhdfs call mkdir /tmp/druid-indexing before /tmp making tmp not writable.

2017-05-19 Thread Andrew Onischuk (JIRA) 

 [ 
https://issues.apache.org/jira/browse/AMBARI-21070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andrew Onischuk updated AMBARI-21070:
-
Attachment: AMBARI-21070.patch

> Race condition: webhdfs call  mkdir /tmp/druid-indexing before  /tmp  making 
> tmp not writable.
> --
>
> Key: AMBARI-21070
> URL: https://issues.apache.org/jira/browse/AMBARI-21070
> Project: Ambari
>  Issue Type: Bug
>Reporter: Andrew Onischuk
>Assignee: Andrew Onischuk
> Fix For: 2.5.1
>
> Attachments: AMBARI-21070.patch
>
>
> Race condition: webhdfs call mkdir /tmp/druid-indexing before /tmp making tmp
> not writable.
> @HDP install through ambari , just at the step start components on host< > we
> have some webhdfs operations in background which is creating HDFS directory
> structures required for specific components like (/tmp, /tmp/hive /user/druid
> /tmp/druid-indexing ...)
> generally the expected order is getfileInfo : /tmp --> mkdir: /tmp
> changePermission: /tmp to 777 (hdfs:hdfs) so that /tmp is accessible to all ,
> hence hivemetastore able to create /tmp/hive(hive scratch directory)
> But here in this case specific to druid install , most of the times mkdir of
> /tmp/druid-indexing called before(actual /tmp creation) and thus /tmp is
> having just default directory permission(755).
> ->So next call of getfileInfo : /tmp says already exist it will not further 
> create and change permission
> This made /tmp not accessible to write, So HiveServer process gets shutdown as
> it unable to create/access /tmp/hive.
> hdfs-audit log:
> 
> 
> 
> 2017-05-12 06:39:51,067 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=getfileinfo src=/tmp/druid-indexing 
> dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,120 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=contentSummary  
> src=/user/druid dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,133 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   
> src=/ats/active dst=nullperm=hdfs:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,155 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=mkdirs  src=/tmp/druid-indexing 
> dst=nullperm=hdfs:hdfs:rwxr-xr-xproto=webhdfs
> 2017-05-12 06:39:51,206 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=listStatus  src=/user/druid 
> dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,235 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   src=/ats/  
>  dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,249 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=setPermission   
> src=/tmp/druid-indexing dst=nullperm=hdfs:hdfs:rwxr-xr-x
> proto=webhdfs
> 2017-05-12 06:39:51,290 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=listStatus  src=/user/druid/data   
>  dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,339 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   
> src=/ats/active/dst=nullperm=hdfs:hadoop:rwxr-xr-x  
> proto=webhdfs
> 2017-05-12 06:39:51,341 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=setOwnersrc=/tmp/druid-indexing 
> dst=nullperm=druid:hdfs:rwxr-xr-x   proto=webhdfs
> 2017-05-12 06:39:51,380 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=setOwnersrc=/user/druid/data   
>  dst=nullperm=druid:hdfs:rwxr-xr-x   proto=webhdfs
> 2017-05-12 06:39:51,431 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setOwnersrc=/ats/active 
> dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,526 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setOwnersrc=/ats/   
> dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,580 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.32.12cmd=getfileinfo 
> src=/apps/hbase/staging dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,620 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200

[jira] [Updated] (AMBARI-21070) Race condition: webhdfs call mkdir /tmp/druid-indexing before /tmp making tmp not writable.

2017-05-19 Thread Andrew Onischuk (JIRA) 

 [ 
https://issues.apache.org/jira/browse/AMBARI-21070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andrew Onischuk updated AMBARI-21070:
-
Status: Patch Available  (was: Open)

> Race condition: webhdfs call  mkdir /tmp/druid-indexing before  /tmp  making 
> tmp not writable.
> --
>
> Key: AMBARI-21070
> URL: https://issues.apache.org/jira/browse/AMBARI-21070
> Project: Ambari
>  Issue Type: Bug
>Reporter: Andrew Onischuk
>Assignee: Andrew Onischuk
> Fix For: 2.5.1
>
> Attachments: AMBARI-21070.patch
>
>
> Race condition: webhdfs call mkdir /tmp/druid-indexing before /tmp making tmp
> not writable.
> @HDP install through ambari , just at the step start components on host< > we
> have some webhdfs operations in background which is creating HDFS directory
> structures required for specific components like (/tmp, /tmp/hive /user/druid
> /tmp/druid-indexing ...)
> generally the expected order is getfileInfo : /tmp --> mkdir: /tmp
> changePermission: /tmp to 777 (hdfs:hdfs) so that /tmp is accessible to all ,
> hence hivemetastore able to create /tmp/hive(hive scratch directory)
> But here in this case specific to druid install , most of the times mkdir of
> /tmp/druid-indexing called before(actual /tmp creation) and thus /tmp is
> having just default directory permission(755).
> ->So next call of getfileInfo : /tmp says already exist it will not further 
> create and change permission
> This made /tmp not accessible to write, So HiveServer process gets shutdown as
> it unable to create/access /tmp/hive.
> hdfs-audit log:
> 
> 
> 
> 2017-05-12 06:39:51,067 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=getfileinfo src=/tmp/druid-indexing 
> dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,120 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=contentSummary  
> src=/user/druid dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,133 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   
> src=/ats/active dst=nullperm=hdfs:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,155 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=mkdirs  src=/tmp/druid-indexing 
> dst=nullperm=hdfs:hdfs:rwxr-xr-xproto=webhdfs
> 2017-05-12 06:39:51,206 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=listStatus  src=/user/druid 
> dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,235 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   src=/ats/  
>  dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,249 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=setPermission   
> src=/tmp/druid-indexing dst=nullperm=hdfs:hdfs:rwxr-xr-x
> proto=webhdfs
> 2017-05-12 06:39:51,290 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=listStatus  src=/user/druid/data   
>  dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,339 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setPermission   
> src=/ats/active/dst=nullperm=hdfs:hadoop:rwxr-xr-x  
> proto=webhdfs
> 2017-05-12 06:39:51,341 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.26.3 cmd=setOwnersrc=/tmp/druid-indexing 
> dst=nullperm=druid:hdfs:rwxr-xr-x   proto=webhdfs
> 2017-05-12 06:39:51,380 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.22.81cmd=setOwnersrc=/user/druid/data   
>  dst=nullperm=druid:hdfs:rwxr-xr-x   proto=webhdfs
> 2017-05-12 06:39:51,431 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setOwnersrc=/ats/active 
> dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,526 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200   cmd=setOwnersrc=/ats/   
> dst=nullperm=yarn:hadoop:rwxr-xr-x  proto=webhdfs
> 2017-05-12 06:39:51,580 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.32.12cmd=getfileinfo 
> src=/apps/hbase/staging dst=nullperm=null   proto=webhdfs
> 2017-05-12 06:39:51,620 INFO FSNamesystem.audit: allowed=true   ugi=hdfs 
> (auth:SIMPLE)  ip=/172.27.37.200